Universal remote telephone line concentrator



June 22, 1965 29 Sheets-Sheet 1 Filed Oct. 51, 1960 A TORNEV M. E. KROMJune 22, 1965 UNIVERSAL REMOTE TELEPHONE LINE CONCENTRATOR 29Sheets-Sheet 2 Filed 061'.. 31, 1960 /NVENTOP M'. E. KRM

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UNIVERSAL REMOTE TELEPHONE LINE CONCENTRATOR Filed Oct. 51, 1960 29Sheets-Sheet 3 ATTORNEY M. E. KROM June `22, 1965 UNIVERSAL REMOTETELEPHONE LINE CONQENTRATOR Filed Oct. `r31. 1960 29 Sheets-Sheet 4-INVEMwR mmf .A 'ORNE V June 22, 1965 M. E. KRoM UNIVERSAL REMOTETELEPHONE LINE CONCENTRATORv Filed Oct. 5l. 1960 Sim EQ. 853:3

M. E. kno/4 5 E WMM TTOR/VE V June 22, 1965 M. E. KRoM 3,190,958

UNIVERSAL REMOTE TELEPHONE LINE GONCENTRATOR Filed Oct; 51, 1960 29Sheets-Sheet 6 Hkb NKNNWGMQ A TTORNE Y June 22, 1965 M. E. KRoM A3,190,968

UNIVERSAL REMOTE TELEPHONE LINE CONCENTRATOR Filed ont. 51.1969 29sheets-sheet v E. /moM ATTORNEY June 22, 1965 Filed Oct. 31, 1960 lOFFICE LINE TERMINA T/ 0N IIIIII |||Il| mill ulm Illlll M. E. KRoM3,190,968

UNIVERSAL REMOTE TELEPHONE LINE CONCENTBATOR 29 Sheets-Sheet 8 5/6logs/(l mm mm um IIIIII llllll |l|||| .llllll Illlll |||lll IlllllIlllll lllll |l|||| Illlll Illlll llllll /A/I/E/VTOR M E. KRO

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M. E. KROM June 22, 1965 UNIVERSAL REMOTE TELEPHONE LNE CONCENTRATOR 29Sheets-Sheet 10 Filed 001'.. 3l, 1960 n a e A TTORNEV M. E. KRoM3,190,968

UNIVERSAL REMDTE TELEPHONE LINE CONCENTRATOR 29 Sheets-Sheet 1l June 22,1965 Filed oct. 51, 1960 ATTORNEY June 22, 1965 M. E. KRoM 3,190,958

UNIVERSAL REMOTE TELEPHONE LINE CONCENTRATOR Filed Oct. 51, 1960 29Sheets-Sheet 12 /V/ENTR y M E. KRQM 5 EQQQMH TTORNV M. E. KROM .Tune 22,1965 agrsfogss's;

UNIVERSAL REMOTE TELEPHONE 4LINE 1cNm:liiTrmTOR Filed Oct. 51, 1960 tmQu /N VEN 7' OR u M. E KROM BV v A TTOPNEV June 22, 1,965

29 Sheets-Sheet 15 Filed Oct. .51, 1960 mik A T TORNE Y M. E. KROM June22, 1965 UNIVERSAL REMOTE TELEPHONE LINE CONCETRATOR Filed Oct. 5l, 196029 Sheets-Sheet 16 oui E En S,

fm1/N709 M. E. KROM A T TORNEV June 22, 1965 M. E. KROMl 29Sheets-Shadi` 1'7 Filed Oct. 3l. 1960 M. E. KRoM `une 22, 1965 FiledOct. 3l, 1960 A 7" TORNEV UNIVERSAL REMOTE TELEPHONE LINE coNcENTRAToRFiled oct. :51. 1960 M. E. KROM June 22, 1965 29 Sheets-Sheet 19 mR w wfM M E VS B ow A 7' TOR/VE V M. E. KROM June 22, 1965 29 Sheets-sheet 2oFiled Oct. 3l, 1960 v /A/VEA/mn ATTORNEY

6. A REMOTE LINE CONCENTRATOR SYSTEM INCLUDING A PLURALITY OF TELEPHONELINES, A LESSER PLURALITY OF TRUNKS, A TELEPHONE CENTRAL OFFICE, REMOTESWITCHING MEANS FOR CONNECTING SAID LINES TO SAID TRUNKS, CONTROLSWITCHING MEANS FOR CONNECTING SAID TRUNKS TO SAID CENTRAL OFFICE, MEANSIN SAID CONTROL SWITCHING MEANS EFFECTIVE WHEN A PERMANENT CONDITIONAPPEARS ON ONE OF SAID LINES FOR ISOLATING SAID LINE AT SAID REMOTEMEANS AND DENYING SERVICE THERETO, AND MANUAL SWITCHING MEANS AT SAIDCONTROL SWITCHING MEANS FOR SUBSEQUENTLY RESTORING SERVICE TO SAID LINE.